File contains one mesh object.
Two sets of textures for metal-rough and spec-gloss workflow in two additional archives.

Height is about 4 meters.

Native format is .blend.

=================================
The spherical part is triangulated to prevent distortion of normal map. If you want it to be subdividable just dissolve diagonal edges. But in this case in same software you could see some distortion, caused by different ways of triangulation.